Files
zulip/static/js/user_groups.js
Steve Howell ee3e488e02 js: Extract FoldDict class.
We have ~5 years of proof that we'll probably never
extend Dict with more options.

Breaking the classes into makes both a little faster
(no options to check), and we remove some options
in FoldDict that are never used (from/from_array).

A possible next step is to fine-tune the Dict to use
Map internally.

Note that the TypeScript types for FoldDict are now
more specific (requiring string keys).  Of course,
this isn't really enforced until we convert other
modules to TS.
2020-01-03 17:19:50 -08:00

99 lines
2.9 KiB
JavaScript

const Dict = require('./dict').Dict;
const FoldDict = require('./fold_dict').FoldDict;
let user_group_name_dict;
let user_group_by_id_dict;
// We have an init() function so that our automated tests
// can easily clear data.
exports.init = function () {
user_group_name_dict = new FoldDict();
user_group_by_id_dict = new Dict();
};
// WE INITIALIZE DATA STRUCTURES HERE!
exports.init();
exports.add = function (user_group) {
// Reformat the user group members structure to be a dict.
user_group.members = Dict.from_array(user_group.members);
user_group_name_dict.set(user_group.name, user_group);
user_group_by_id_dict.set(user_group.id, user_group);
};
exports.remove = function (user_group) {
user_group_name_dict.del(user_group.name);
user_group_by_id_dict.del(user_group.id);
};
exports.get_user_group_from_id = function (group_id, suppress_errors) {
if (!user_group_by_id_dict.has(group_id)) {
if (suppress_errors === undefined) {
blueslip.error('Unknown group_id in get_user_group_from_id: ' + group_id);
}
return;
}
return user_group_by_id_dict.get(group_id);
};
exports.update = function (event) {
const group = exports.get_user_group_from_id(event.group_id);
if (event.data.name !== undefined) {
group.name = event.data.name;
user_group_name_dict.del(group.name);
user_group_name_dict.set(group.name, group);
}
if (event.data.description !== undefined) {
group.description = event.data.description;
user_group_name_dict.del(group.name);
user_group_name_dict.set(group.name, group);
}
};
exports.get_user_group_from_name = function (name) {
return user_group_name_dict.get(name);
};
exports.get_realm_user_groups = function () {
return user_group_by_id_dict.values().sort(function (a, b) {
return a.id - b.id;
});
};
exports.is_member_of = function (user_group_id, user_id) {
const user_group = user_group_by_id_dict.get(user_group_id);
if (user_group === undefined) {
blueslip.error("Could not find user group with ID " + user_group_id);
return false;
}
return user_group.members.has(user_id);
};
exports.add_members = function (user_group_id, user_ids) {
const user_group = user_group_by_id_dict.get(user_group_id);
_.each(user_ids, function (user_id) {
user_group.members.set(user_id, true);
});
};
exports.remove_members = function (user_group_id, user_ids) {
const user_group = user_group_by_id_dict.get(user_group_id);
_.each(user_ids, function (user_id) {
user_group.members.del(user_id);
});
};
exports.initialize = function () {
_.each(page_params.realm_user_groups, function (user_group) {
exports.add(user_group);
});
delete page_params.realm_user_groups; // We are the only consumer of this.
};
exports.is_user_group = function (item) {
return item.hasOwnProperty('members');
};
window.user_groups = exports;